I'm sorry, because I don't have a tutorial. It's the first figure I paint with oil colors. In the past I used oil colors more for weathering and shading. So it's a new challenge for me. One tip I have for you (it's the same I always say to me)... be patient ;-).

For me the advantage of oil color is the long dry phase. So you can blend colors days later or correct them. But this advantage is a simultaneous disadvantage, because sometimes you have to wait unless you use a quick dry medium for oil colors.